AI & the web
Fingerprinting
Identifying a browser by combining distinctive device and software characteristics.
In everyday use
A site combines screen size, fonts and language settings to recognise a visitor.
What to keep in mind
Tracking can happen without storing a conventional cookie.
Also searched as:
Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
More in ai & the web
Page updated .